Regional Rankings

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Year:

Month:

Region:

Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

California River Basin

Average Temperature Rankings, July 1990

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Record Coolest
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Record Warmest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Warmest/Coolest Since	Record
July 1990 1-Month	76.4°F (24.7°C)	74.7°F (23.7°C)	1.7°F (1.0°C)	96th Coolest	Coolest since: 1989	1987
	76.4°F (24.7°C)	74.7°F (23.7°C)	1.7°F (1.0°C)	33rd Warmest	Warmest since: 1988	2021
	Ties: 1994
Jun–Jul 1990 2-Month	72.9°F (22.7°C)	71.5°F (21.9°C)	1.4°F (0.8°C)	92nd Coolest	Coolest since: 1989	1944
	72.9°F (22.7°C)	71.5°F (21.9°C)	1.4°F (0.8°C)	37th Warmest	Warmest since: 1988	2021
	Ties: 1922, 2000
May–Jul 1990 3-Month	68.7°F (20.4°C)	67.9°F (19.9°C)	0.8°F (0.5°C)	82nd Coolest	Coolest since: 1988	1953, 1998
	68.7°F (20.4°C)	67.9°F (19.9°C)	0.8°F (0.5°C)	47th Warmest	Warmest since: 1989	2021
	Ties: 1900, 1939, 1958, 1988
Apr–Jul 1990 4-Month	66.1°F (18.9°C)	64.4°F (18.0°C)	1.7°F (0.9°C)	98th Coolest	Coolest since: 1988	1944
	66.1°F (18.9°C)	64.4°F (18.0°C)	1.7°F (0.9°C)	31st Warmest	Warmest since: 1989	2021
	Ties: 1939, 1973, 1994
Mar–Jul 1990 5-Month	63.1°F (17.3°C)	61.3°F (16.3°C)	1.8°F (1.0°C)	101st Coolest	Coolest since: 1988	1912
	63.1°F (17.3°C)	61.3°F (16.3°C)	1.8°F (1.0°C)	28th Warmest	Warmest since: 1989	2013, 2014
	Ties: 1984, 1985, 2009
Feb–Jul 1990 6-Month	59.7°F (15.4°C)	58.7°F (14.8°C)	1.0°F (0.6°C)	86th Coolest	Coolest since: 1983	1948
	59.7°F (15.4°C)	58.7°F (14.8°C)	1.0°F (0.6°C)	43rd Warmest	Warmest since: 1989	2015
	Ties: 1928, 1954, 2005
Jan–Jul 1990 7-Month	57.4°F (14.1°C)	56.3°F (13.5°C)	1.1°F (0.6°C)	92nd Coolest	Coolest since: 1989	1955
	57.4°F (14.1°C)	56.3°F (13.5°C)	1.1°F (0.6°C)	37th Warmest	Warmest since: 1989	2014
	Ties: 1928, 1968, 1989, 2005
Dec 1989–Jul 1990 8-Month	55.8°F (13.2°C)	54.7°F (12.6°C)	1.1°F (0.6°C)	95th Coolest	Coolest since: 1989	1917
	55.8°F (13.2°C)	54.7°F (12.6°C)	1.1°F (0.6°C)	33rd Warmest	Warmest since: 1986	2015
	Ties: 1970, 2005
Nov 1989–Jul 1990 9-Month	55.3°F (12.9°C)	54.1°F (12.3°C)	1.2°F (0.6°C)	98th Coolest	Coolest since: 1989	1917
Nov 1989–Jul 1990 9-Month	55.3°F (12.9°C)	54.1°F (12.3°C)	1.2°F (0.6°C)	30th Warmest	Warmest since: 1986	2015
Oct 1989–Jul 1990 10-Month	55.7°F (13.2°C)	54.6°F (12.6°C)	1.1°F (0.6°C)	93rd Coolest	Coolest since: 1987	1917
	55.7°F (13.2°C)	54.6°F (12.6°C)	1.1°F (0.6°C)	35th Warmest	Warmest since: 1989	2015
	Ties: 1968, 2019
Sep 1989–Jul 1990 11-Month	56.8°F (13.8°C)	55.9°F (13.3°C)	0.9°F (0.5°C)	93rd Coolest	Coolest since: 1987	1917
	56.8°F (13.8°C)	55.9°F (13.3°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1989	2015
	Ties: 1926, 1951, 1970, 1986
Aug 1989–Jul 1990 12-Month	58.1°F (14.5°C)	57.4°F (14.1°C)	0.7°F (0.4°C)	88th Coolest	Coolest since: 1987	1917
	58.1°F (14.5°C)	57.4°F (14.1°C)	0.7°F (0.4°C)	40th Warmest	Warmest since: 1989	2015
	Ties: 1938, 1954, 1986, 2005, 2008
Feb 1989–Jul 1990 18-Month	58.8°F (14.9°C)	57.8°F (14.3°C)	1.0°F (0.6°C)	96th Coolest	Coolest since: 1987	1913, 1949
	58.8°F (14.9°C)	57.8°F (14.3°C)	1.0°F (0.6°C)	32nd Warmest	Warmest since: 1989	2015
	Ties: 1934, 1941, 1961, 1986, 1987
Aug 1988–Jul 1990 24-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	92nd Coolest	Coolest since: 1988	1913
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	35th Warmest	Warmest since: 1989	2015
	Ties: 1931, 1961, 1988
Aug 1987–Jul 1990 36-Month	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	100th Coolest	Coolest since: 1989	1913
	58.4°F (14.7°C)	57.4°F (14.1°C)	1.0°F (0.6°C)	26th Warmest	Warmest since: 1961	2015, 2016
	Ties: 1940, 1992, 2010
Aug 1986–Jul 1990 48-Month	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	97th Coolest	Coolest since: 1989	1913
	58.3°F (14.6°C)	57.4°F (14.1°C)	0.9°F (0.5°C)	28th Warmest	Warmest since: 1989	2016, 2018
	Ties: 1989, 2000, 2012
Aug 1985–Jul 1990 60-Month	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	100th Coolest	Coolest since: 1989	1913
	58.3°F (14.6°C)	57.3°F (14.1°C)	1.0°F (0.5°C)	24th Warmest	Warmest since: 1988	2017, 2018
	Ties: 1988, 1993, 1994, 2001, 2011, 2012

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on June 2, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings